Declaration of Fields
Declarations of fields (variables) have form ([…] means OPTIONAL)
[<modifier(s)>] <type> <name> [= <value>];
<modifier(s)>
and <type> are described below, <name> is the variable name, and the optional <value> is its initial value; variables used
before
being
assigned a value here or in the code cause an error.
[<attribute>] can precede method declaration (use
the square brackets here!)
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